List of top Chemistry Questions asked in NEET (UG)

The weight of silver (at wt. = 108) displaced by a quantity of electricity which displaces 5600 mL of O₂ at STP will be:

For the reversible reaction :
\(N_2(g) + 3H_2(g) ⇋ 2NH_3(g) + \text {Heat}\)
The equilibrium shifts in forward direction :

The pair of compounds that can exist together is:

Which of the following complexes is used to be as an anticancer agent?

Among the following complexes the one which shows zero crystal field stabilization energy (CFSE) is:

If a is the length of the side of a cube , the distance between the body centred atom and one corner atom in the cube will be

Which one of the following species has plane triangular shape?

Which of the following molecules has the maximum dipole moment?

Acidity of diprotic acids in aqueous solutions increases in the order:

Reason of lanthanoid contraction is:

Which of the following statements is correct for the spontaneous adsorption of a gas?

Artificial sweetener which is stable under cold conditions only is:

Equal masses of H₂, O₂ and methane have been taken in a container of volume V at temperature 27°C in identical conditions. The ratio of the volumes of gases H₂ : O₂ : methane would be :

(a) \(H_2O_2 + O_3 → H_2O + 2O_2\)
(b) \(H_2O_2 + Ag_2O → 2Ag + H_2O + O_2\)
Role of hydrogen peroxide in the above reactions is respectively:

Among the following sets of reactants which one produces anisole ?

When 0.1 mol MnO₄^2– is oxidised the quantity of electricity required to completely oxidise MnO4^2– to MnO₄^– is

Of the following 0.10 m aqueous solutions, which one will exhibit the largest freezing point depression?

What is the maximum number of orbitals that can be identified with the following quantum number?
n = 3, l = 1, m_l = 0

D(+) glucose reacts with hydroxylamine and yields an oxime. The structure of the oxime would be:

$6.02 \times 10^{20}$ molecules of urea are present in 100 mL of its solution. The concentration of solution is :-

What is the maximum numbers of electrons that can be associated with the following set of quantum numbers? n = 3, l = 1 and m = -1

Crystal field stabilisation energy for high spin $d^4$ octahedral complex is

In which of the following ionization processes the bond energy increases and the magnetic behaviour changes from paramagnetic to diamagnetic :

Consider the half-cell reduction reaction :- $Mn^{2+}+2e^{-}\to Mn, E^{0}=-1.18 V$ $Mn^{2+}\to Mn^{3+}+e^{-}, E^{0}=-1.51 V$ The $E^\circ$ for the reaction $3 Mn^{2+}\to Mn^{0}+2Mn^{3+}$ and possibility of the forward reaction are respectively :

The pair of species that has the same bond order in the following is :